Thina, u-Ali-Mama Steel (Shanghai) Trading Co., Ltd, sisungulwa ngo-2020, sisenyakatho ye-Shanghai.Njengomdayisi wamasheya wendawo kanye nomsabalalisi wamazwe ngamazwe, sinelungelo eliyingqayizivele lendawo, ukuhlinzeka ikakhulukazi ngezinhlobo ezahlukene zamashubhu ensimbi, njengamapayipi ensimbi nokufakwayo, nensimbi yesakhiwo.Mayelana namapayipi, singahlinzeka ngamapayipi ensimbi ye-carbon, okuhlanganisa i-ERw, i-sSAW, i-SAWL, nepayipi le-RBE, kanye namapayipi ensimbi eqinile ngokusekelwe esicelweni seklayenti.